CAS No.: | 517-89-5 |
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Formula: | C16h16o5 |
EINECS: | 0 |
Type: | Synthesis Material Intermediates |
Appearance: | Powder |
Colour: | Purple |
Customization: |
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Tokyo Violet for food coloring agent Cas 517-89-5 Shikonin powder
5,8-Dihydroxy-2-[(1R)-1-hydroxy-4-methyl-pent-3-enyl]naphthalene-1,4-dione Basic information | |
Product Name: | 5,8-Dihydroxy-2-[(1R)-1-hydroxy-4-methyl-pent-3-enyl]naphthalene-1,4-dione |
CAS: | 517-89-5 |
MF: | C16H16O5 |
MW: | 288.3 |
EINECS: | |
5,8-Dihydroxy-2-[(1R)-1-hydroxy-4-methyl-pent-3-enyl]naphthalene-1,4-dione Chemical Properties | |
Melting point | 148ºC |
Boiling point | 567.4±50.0 °C(Predicted) |
density | 1.373±0.06 g/cm3(Predicted) |
storage temp. | -20°C |
pka | 7.34±0.20(Predicted) |
form | Red crystalline solid. |
CAS DataBase Reference | 517-89-5(CAS DataBase Reference) |
ITEM
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STANDARD
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TEST RESULT
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Specification/Assay
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≥95%
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96.24%
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Physical & Chemical
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Appearance
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Purple powder
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Complies
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Odor & Taste
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Characteristic
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Complies
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Particle Size
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100% pass 80 mesh
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Complies
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Loss on Drying
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≤5.0%
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2.55%
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Ash
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≤1.0%
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0.54%
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Heavy Metal
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Total Heavy Metal
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≤10.0ppm
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Complies
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Lead
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≤2.0ppm
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Complies
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